From: Pratyush Yadav <p.yadav@ti.com>
To: Vignesh Raghavendra <vigneshr@ti.com>
Cc: Nishanth Menon <nm@ti.com>, Tero Kristo <kristo@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
Lokesh Vutla <lokeshvutla@ti.com>
Subject: Re: [PATCH 2/2] arm64: dts: ti: k3-am64-evm/sk: Add OSPI flash DT node
Date: Tue, 9 Mar 2021 18:47:45 +0530 [thread overview]
Message-ID: <20210309131745.mgxee5735fae4gte@ti.com> (raw)
In-Reply-To: <20210309130514.11740-2-vigneshr@ti.com>
On 09/03/21 06:35PM, Vignesh Raghavendra wrote:
> Both AM64 EVM and SK have a 512Mb S28HS512T Octal SPI NOR flash.
> Add DT node for the same.
>
> Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
> ---
>
> Bootlog:
>
> SK: https://pastebin.ubuntu.com/p/gvxg7cFrXH/
> EVM: https://pastebin.ubuntu.com/p/jb39GqkB78/
>
> arch/arm64/boot/dts/ti/k3-am642-evm.dts | 36 +++++++++++++++++++++++++
> arch/arm64/boot/dts/ti/k3-am642-sk.dts | 36 +++++++++++++++++++++++++
> 2 files changed, 72 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
> index 1f1787750fef..7dd8e94b108d 100644
> --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
> @@ -133,6 +133,22 @@ AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */
> AM64X_IOPAD(0x026c, PIN_INPUT_PULLUP, 0) /* (B19) I2C1_SDA */
> >;
> };
> +
> + ospi0_pins_default: ospi0-pins-default {
> + pinctrl-single,pins = <
> + AM64X_IOPAD(0x0000, PIN_OUTPUT, 0) /* (N20) OSPI0_CLK */
> + AM64X_IOPAD(0x002c, PIN_OUTPUT, 0) /* (L19) OSPI0_CSn0 */
> + AM64X_IOPAD(0x000c, PIN_INPUT, 0) /* (M19) OSPI0_D0 */
> + AM64X_IOPAD(0x0010, PIN_INPUT, 0) /* (M18) OSPI0_D1 */
> + AM64X_IOPAD(0x0014, PIN_INPUT, 0) /* (M20) OSPI0_D2 */
> + AM64X_IOPAD(0x0018, PIN_INPUT, 0) /* (M21) OSPI0_D3 */
> + AM64X_IOPAD(0x001c, PIN_INPUT, 0) /* (P21) OSPI0_D4 */
> + AM64X_IOPAD(0x0020, PIN_INPUT, 0) /* (P20) OSPI0_D5 */
> + AM64X_IOPAD(0x0024, PIN_INPUT, 0) /* (N18) OSPI0_D6 */
> + AM64X_IOPAD(0x0028, PIN_INPUT, 0) /* (M17) OSPI0_D7 */
> + AM64X_IOPAD(0x0008, PIN_INPUT, 0) /* (N19) OSPI0_DQS */
> + >;
> + };
> };
>
> &main_uart0 {
> @@ -244,3 +260,23 @@ &sdhci1 {
> ti,driver-strength-ohm = <50>;
> disable-wp;
> };
> +
> +&ospi0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&ospi0_pins_default>;
> +
> + flash@0{
> + compatible = "jedec,spi-nor";
> + reg = <0x0>;
> + spi-tx-bus-width = <8>;
> + spi-rx-bus-width = <8>;
> + spi-max-frequency = <25000000>;
> + cdns,tshsl-ns = <60>;
> + cdns,tsd2d-ns = <60>;
> + cdns,tchsh-ns = <60>;
> + cdns,tslch-ns = <60>;
> + cdns,read-delay = <4>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + };
> +};
> diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
> index aa6ca4c49153..fc27470fc083 100644
> --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
> @@ -90,6 +90,22 @@ AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */
> AM64X_IOPAD(0x026c, PIN_INPUT_PULLUP, 0) /* (B19) I2C1_SDA */
> >;
> };
> +
> + ospi0_pins_default: ospi0-pins-default {
> + pinctrl-single,pins = <
> + AM64X_IOPAD(0x0000, PIN_OUTPUT, 0) /* (N20) OSPI0_CLK */
> + AM64X_IOPAD(0x002c, PIN_OUTPUT, 0) /* (L19) OSPI0_CSn0 */
> + AM64X_IOPAD(0x000c, PIN_INPUT, 0) /* (M19) OSPI0_D0 */
> + AM64X_IOPAD(0x0010, PIN_INPUT, 0) /* (M18) OSPI0_D1 */
> + AM64X_IOPAD(0x0014, PIN_INPUT, 0) /* (M20) OSPI0_D2 */
> + AM64X_IOPAD(0x0018, PIN_INPUT, 0) /* (M21) OSPI0_D3 */
> + AM64X_IOPAD(0x001c, PIN_INPUT, 0) /* (P21) OSPI0_D4 */
> + AM64X_IOPAD(0x0020, PIN_INPUT, 0) /* (P20) OSPI0_D5 */
> + AM64X_IOPAD(0x0024, PIN_INPUT, 0) /* (N18) OSPI0_D6 */
> + AM64X_IOPAD(0x0028, PIN_INPUT, 0) /* (M17) OSPI0_D7 */
> + AM64X_IOPAD(0x0008, PIN_INPUT, 0) /* (N19) OSPI0_DQS */
> + >;
> + };
> };
>
> &mcu_uart0 {
> @@ -171,3 +187,23 @@ &sdhci1 {
> ti,driver-strength-ohm = <50>;
> disable-wp;
> };
> +
> +&ospi0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&ospi0_pins_default>;
> +
> + flash@0{
> + compatible = "jedec,spi-nor";
> + reg = <0x0>;
> + spi-tx-bus-width = <8>;
> + spi-rx-bus-width = <8>;
> + spi-max-frequency = <25000000>;
> + cdns,tshsl-ns = <60>;
> + cdns,tsd2d-ns = <60>;
> + cdns,tchsh-ns = <60>;
> + cdns,tslch-ns = <60>;
> + cdns,read-delay = <4>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + };
> +};
> --
> 2.30.1
>
--
Regards,
Pratyush Yadav
Texas Instruments Inc.
next prev parent reply other threads:[~2021-03-09 13:18 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-09 13:05 [PATCH 1/2] arm64: dts: ti: k3-am64-main: Add OSPI node Vignesh Raghavendra
2021-03-09 13:05 ` [PATCH 2/2] arm64: dts: ti: k3-am64-evm/sk: Add OSPI flash DT node Vignesh Raghavendra
2021-03-09 13:17 ` Pratyush Yadav [this message]
2021-03-09 13:17 ` [PATCH 1/2] arm64: dts: ti: k3-am64-main: Add OSPI node Pratyush Yadav
2021-03-10 17:34 ` Vignesh Raghavendra
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